CN106153727A - A kind of building grouting plumpness detection device and detection method - Google Patents
A kind of building grouting plumpness detection device and detection method Download PDFInfo
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- CN106153727A CN106153727A CN201610692432.2A CN201610692432A CN106153727A CN 106153727 A CN106153727 A CN 106153727A CN 201610692432 A CN201610692432 A CN 201610692432A CN 106153727 A CN106153727 A CN 106153727A
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000009825 accumulation Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000003321 amplification Effects 0.000 claims abstract description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 239000004567 concrete Substances 0.000 claims abstract description 5
- 230000007547 defect Effects 0.000 claims description 13
- 230000002950 deficient Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000007569 slipcasting Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000008267 milk Substances 0.000 claims description 3
- 210000004080 milk Anatomy 0.000 claims description 3
- 235000013336 milk Nutrition 0.000 claims description 3
- 238000009659 non-destructive testing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000005056 compaction Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/011—Velocity or travel time
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0232—Glass, ceramics, concrete or stone
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- Acoustics & Sound (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of building grouting plumpness detection device, described detection device includes signal emission module, signal receiving module, data processor;Described signal emission module includes usb data interface, electricity quantity display module, adjustment switch, coding signal memory module, power module, coding signal memory module, accumulation signal emission switch, signal amplification module, coding signal input interface, super magnetic vibration module, changable type transmitter module.The invention have the advantage that method and the adjacent frequency difference of adjustable accumulation signal formation technology are analyzed method and combine, simple to operate, improve discrimination precision, there is the highest sensitivity, large-sized concrete structure can be carried out on-line real-time measuremen.
Description
Technical field
The present invention relates to a kind of construction auxiliary device and construction method, in particular, relate to a kind of building and fill
Slurry plumpness detection device and detection method.
Background technology
Current substantial amounts of Prestressed Concrete Bridges is occupied an leading position in Bridges in Our Country construction, is widely used in including
On the construction project of the important bridge such as bridge spanning the sea.For Prestressed Concrete Bridges, hole path pressure grouting is the fullest cause pre-should
The corrosion of power muscle, it is the very important aspect reducing effective prestress.Full prestress hole path pressure grouting guarantees presstressed reinforcing steel
Avoiding the emphasis suffering corrosion always Construction control too early is also difficulties.But it is durable to affect structure for detection and evaluation
The hole path pressure grouting compaction rate of property, also lacks systematized, method and technology fast and effectively the most both at home and abroad.
Traditional wall grouting material entity detection generally uses this method of coring to verify the compaction rate of grouting material.Institute
Meaning core detection, it is simply that by the method drilled through on the building masonry wall of molding, take off one piece of body of wall, with the naked eye go to check
The wall grouting material taken off is the most closely knit.The compaction rate although this method can visually see, but it causes
The destruction of body of wall, the weakening to fabric structure plays indelible hidden danger, the body of wall after breakage, and the later stage needs again to repair
Multiple, process very complicated, detect by an unaided eye merely or limited, because if naked eyes are cannot if Ding Liang meanwhile
Specifically determine and weigh.
Summary of the invention
The present invention is directed to the deficiency of existing product, and a kind of building grouting plumpness detection device is provided.
A kind of building grouting plumpness detection device of the present invention, described detection device includes signal emission module, signal
Receiver module, data processor;Described signal emission module includes usb data interface, electricity quantity display module, adjustment switch, compiles
Code signal memory module, power module, coding signal memory module, accumulation signal emission switch, signal amplification module, coding letter
Number input interface, super magnetic vibration module, changable type transmitter module;Described usb data interface, electricity quantity display module, adjustment are opened
Closing and power module connects, described power module and coding signal memory module, signal amplification module connect, and described signal amplifies
Module connects with accumulation signal emission switch, coding signal input interface respectively, and described signal amplification module is by super magnetic vibration
Module and changable type transmitter module connect, and coding signal is become by described changable type transmitter module the exciting of frequency rule
Signal passes to building grouting plumpness detection object, and signal receiving module receives accumulation signal, and data processor is to reception
Accumulation signal is analyzed judging slip casting plumpness.
The coding signal that described accumulation signal uses frequency to be 915 ± 13MHZ or 2450 ± 50MHZ.
Described usb data interface is connected by wire and power module, it is achieved power module charging or extension external power supply;
Described usb data interface and coding signal memory module connect, and can realize original code signal is stored in coding signal storage mould
Block, described coding signal memory module realizes the output of different coding signal by accumulation signal emission switch.
Described super magnetic vibration module uses giant magnetostrictive material to make.
Described accumulation signal emission switch will have code current signal and input super magnetic vibration mould by signal amplification module
Block, coding signal is converted to super magnetic mechanical vibration signal by super magnetic vibration module.
The invention also discloses a kind of build grouting plumpness detection device detection method, described detection method include with
Lower step;
Step 1, employing signal emission module carry out plumpness detection of being in the milk to building concrete, pass through signal receiving module
Obtain accumulation signal, it is carried out the discriminatory analysis of accumulation signal, measured in xoncrete structure by the meansigma methods of signal velocity of wave
Portion's defect;
Step 2, according to method once calculate detection accumulation signal velocity of wave meansigma methods, result of calculation can as slip casting satisfy
The basis for estimation of full scale Non-Destructive Testing;
Cti=2L 'r×Δf;
In formula: CmFor the meansigma methods of accumulation signal velocity of wave, m/s;
CtiIt is the i-th test accumulation signal value of wave speed, m/s;
L′rFor the distance of signal emission module to signal receiving module, m;
ΔteFor the time difference between signal receiving module incidence Mintrop wave crest and reflection at peak, s;
Δ f is the frequency difference that on amplitude frequency curve, adjacent resonance is peak-to-peak, HZ;
N is the number of times (n >=5) of code test;
Step 3, judgement calculate grouting plumpness defect and defective locations;The knowledge of grouting plumpness defect reflection accumulation signal
Should be not substantially equally spaced with resonance peak arrangement, adjacent frequency difference Δ f ∠ Cti/ (2 × L) is foundation;Defective locations should be calculated as follows:
In formula: x is defective locations to the distance of signal receiving module, m;
ΔtfFor the time difference that signal receiving module incidence Mintrop wave crest is peak-to-peak with flaw echo, s;
CtFor the accumulation signal velocity of wave by grouting plumpness defects detection object.
The invention has the beneficial effects as follows: (1), not be used on body of wall and take off one block of wall grouting material and with the naked eye detect closely knit
Degree, this ensure that not being destroyed of building masonry wall, makes whole fabric structure meet design standard, and can accomplish to determine
Amount detection.(2), the effective control to signal and hammer vibration energy is achieved by electric current regulation;Signal uses coding techniques to control,
Modulation known signal loads on giant magnetostrictive material, it is achieved that to features such as super magnetic mechanical vibration signal frequency, bandwidth, phase places
Control.(3), a kind of detection method building grouting plumpness detection device that the present invention proposes is based on adjustable exciting
Method and the adjacent frequency difference of signal formation technology are analyzed method and combine, simple to operate, improve discrimination precision, have very
High sensitivity, can carry out on-line real-time measuremen to large-sized concrete structure.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the detection device of the present invention;
Fig. 2 is the detection device signal processing and analysis figure of the present invention;
Fig. 3 is the detection device signal processing and analysis figure of the present invention;
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of building grouting plumpness detection device, described detection device includes signal emission module, letter
Number receiver module, data processor;Described signal emission module include usb data interface, electricity quantity display module, adjustment switch,
Coding signal memory module, power module, coding signal memory module, accumulation signal emission switch, signal amplification module, coding
Signal input interface, super magnetic vibration module, changable type transmitter module;Described usb data interface, electricity quantity display module, adjustment
Switch and power module connect, and described power module and coding signal memory module, signal amplification module connect, and described signal is put
Big module connects with accumulation signal emission switch, coding signal input interface respectively, and described signal amplification module is shaken by super magnetic
Dynamic model block and changable type transmitter module connect, and coding signal is become by described changable type transmitter module swashing of frequency rule
The signal that shakes passes to building grouting plumpness detection object, and signal receiving module receives accumulation signal, and data processor is to reception
Accumulation signal be analyzed judging slip casting plumpness.
The coding signal that described accumulation signal uses frequency to be 915 ± 13MHZ or 2450 ± 50MHZ.
Described usb data interface is connected by wire and power module, it is achieved power module charging or extension external power supply;
Described usb data interface and coding signal memory module connect, and can realize original code signal is stored in coding signal storage mould
Block, described coding signal memory module realizes the output of different coding signal by accumulation signal emission switch.
Described super magnetic vibration module uses giant magnetostrictive material to make.
Described accumulation signal emission switch will have code current signal and input super magnetic vibration mould by signal amplification module
Block, coding signal is converted to super magnetic mechanical vibration signal by super magnetic vibration module.
The invention also discloses a kind of build grouting plumpness detection device detection method, described detection method include with
Lower step;
Step 1, employing signal emission module carry out plumpness detection of being in the milk to building concrete, pass through signal receiving module
Obtain accumulation signal, it is carried out the discriminatory analysis of accumulation signal, measured in xoncrete structure by the meansigma methods of signal velocity of wave
Portion's defect;
Step 2, according to method once calculate detection accumulation signal velocity of wave meansigma methods, result of calculation can as slip casting satisfy
The basis for estimation of full scale Non-Destructive Testing;
Cti=2L 'r×Δf;
In formula: CtmFor the meansigma methods of accumulation signal velocity of wave, m/s;
CtiIt is the i-th test accumulation signal value of wave speed, m/s;
L′rFor the distance of signal emission module to signal receiving module, m;
ΔteFor the time difference between signal receiving module incidence Mintrop wave crest and reflection at peak, s;
Δ f is the frequency difference that on amplitude frequency curve, adjacent resonance is peak-to-peak, HZ;
N is the number of times (n >=5) of code test;
Step 3, judgement calculate grouting plumpness defect and defective locations;The knowledge of grouting plumpness defect reflection accumulation signal
Should be not substantially equally spaced with resonance peak arrangement, adjacent frequency difference Δ f ∠ Cti/ (2 × L) is foundation;Defective locations should be calculated as follows:
In formula: x is defective locations to the distance of signal receiving module, m;
ΔtfFor the time difference that signal receiving module incidence Mintrop wave crest is peak-to-peak with flaw echo, s;
CtFor the accumulation signal velocity of wave by grouting plumpness defects detection object.
Detection signal waveform has a following spectrum signature as shown in Figure 2,3: single-frequency vibrational waveform, corresponding frequency spectrum letter
Number is single;The medium of Vibration propagation is complicated, and corresponding frequency spectrum is also the most complicated.According to this principle, when building grouting is the fullest or
Completely during blank pipe, the wave-type vibration obtained is single, and frequency spectrum is distributed in the most unimodal or asymmetric bimodal morphology, or visible relatively
Weak resonance peak, before its adjacent frequency difference without or have more weak defect scattering;When existing defects, frequency spectrum is asymmetric multimodal form,
Its frequency difference being connected involves multiply-scattered wave in significantly scattering.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology necks
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (6)
1. a building grouting plumpness detection device, is characterized in that, described detection device includes that signal emission module, signal connect
Receive module, data processor;Described signal emission module includes usb data interface, electricity quantity display module, adjustment switch, coding
Signal memory module, power module, coding signal memory module, accumulation signal emission switch, signal amplification module, coding signal
Input interface, super magnetic vibration module, changable type transmitter module;Described usb data interface, electricity quantity display module, adjustment switch
Connecting with power module, described power module and coding signal memory module, signal amplification module connect, and described signal amplifies mould
Block connects with accumulation signal emission switch, coding signal input interface respectively, and described signal amplification module is by super magnetic vibration mould
Block and changable type transmitter module connect, and coding signal is become by described changable type transmitter module has the exciting of frequency rule to believe
Number passing to building grouting plumpness detection object, signal receiving module receives accumulation signal, and reception is swashed by data processor
The signal that shakes is analyzed judging slip casting plumpness.
A kind of detection device building grouting plumpness the most according to claim 1, is characterized in that, described accumulation signal is adopted
With the coding signal that frequency is 915 ± 13MHZ or 2450 ± 50MHZ.
A kind of detection device building grouting plumpness the most according to claim 1, is characterized in that, described usb data connects
Mouth is connected by wire and power module, it is achieved power module charging or extension external power supply;Described usb data interface and coding
Signal memory module connects, and can realize original code signal is stored in coding signal memory module, described coding signal storage mould
Block realizes the output of different coding signal by accumulation signal emission switch.
A kind of detection device building grouting plumpness the most according to claim 1, is characterized in that, described super magnetic vibration mould
Block uses giant magnetostrictive material to make.
A kind of detection device building grouting plumpness the most according to claim 1, is characterized in that, described accumulation signal is sent out
Penetrating switch and will have code current signal by the signal amplification module super magnetic vibration module of input, coding is believed by super magnetic vibration module
Number be converted to super magnetic mechanical vibration signal.
6. building a detection method for grouting plumpness detection device, it is characterized in that, described detection method comprises the following steps;
Step 1, employing signal emission module carry out plumpness detection of being in the milk to building concrete, are obtained by signal receiving module
Accumulation signal, carries out the discriminatory analysis of accumulation signal to it, measures xoncrete structure by the meansigma methods of signal velocity of wave internal scarce
Fall into;
Step 2, according to method once calculate detection accumulation signal velocity of wave meansigma methods, result of calculation can be as slip casting plumpness
The basis for estimation of Non-Destructive Testing;
Cti=2L 'r×Δf;
In formula: CtmFor the meansigma methods of accumulation signal velocity of wave, m/s;
CtiIt is the i-th test accumulation signal value of wave speed, m/s;
L′rFor the distance of signal emission module to signal receiving module, m;
ΔteFor the time difference between signal receiving module incidence Mintrop wave crest and reflection at peak, s;
Δ f is the frequency difference that on amplitude frequency curve, adjacent resonance is peak-to-peak, HZ;
N is the number of times (n >=5) of code test;
Step 3, judgement calculate grouting plumpness defect and defective locations;The identification of grouting plumpness defect reflection accumulation signal should
Substantially equally spaced with resonance peak arrangement, adjacent frequency difference Δ f ∠ Cti/ (2 × L) is foundation;Defective locations should be calculated as follows:
In formula: x is defective locations to the distance of signal receiving module, m;
ΔtfFor the time difference that signal receiving module incidence Mintrop wave crest is peak-to-peak with flaw echo, s;
CtFor the accumulation signal velocity of wave by grouting plumpness defects detection object.
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Cited By (7)
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---|---|---|---|---|
CN106645407A (en) * | 2016-12-21 | 2017-05-10 | 安徽省建筑工程质量监督检测站 | Detection method of grouting compactness for assembly-type shear wall pipeline |
CN107526099A (en) * | 2017-08-25 | 2017-12-29 | 武汉市工程科学技术研究院 | The super magnetic focus of pseudorandom spread spectrum and source signal method for generation for engineering geophysics |
CN107702740A (en) * | 2017-08-30 | 2018-02-16 | 中交武汉港湾工程设计研究院有限公司 | A kind of underwater foundation slip casting full weight monitoring system and method |
CN108956962A (en) * | 2018-07-27 | 2018-12-07 | 宁波联城住工科技有限公司 | The evaluating apparatus and method of grouting material plumpness in grout sleeve |
CN109470769A (en) * | 2018-09-30 | 2019-03-15 | 中国建筑科学研究院有限公司 | Method and system for detecting grouting fullness of sleeve by ultrasonic reflection method |
CN110455917A (en) * | 2019-08-22 | 2019-11-15 | 福建博海工程技术有限公司 | A kind of repairing concrete crack quality determining method |
CN115266937A (en) * | 2022-08-31 | 2022-11-01 | 中建五局第三建设有限公司 | Mortar plumpness measuring instrument and method based on ultrasonic imaging |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106645407A (en) * | 2016-12-21 | 2017-05-10 | 安徽省建筑工程质量监督检测站 | Detection method of grouting compactness for assembly-type shear wall pipeline |
CN107526099A (en) * | 2017-08-25 | 2017-12-29 | 武汉市工程科学技术研究院 | The super magnetic focus of pseudorandom spread spectrum and source signal method for generation for engineering geophysics |
CN107702740A (en) * | 2017-08-30 | 2018-02-16 | 中交武汉港湾工程设计研究院有限公司 | A kind of underwater foundation slip casting full weight monitoring system and method |
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CN108956962A (en) * | 2018-07-27 | 2018-12-07 | 宁波联城住工科技有限公司 | The evaluating apparatus and method of grouting material plumpness in grout sleeve |
CN109470769A (en) * | 2018-09-30 | 2019-03-15 | 中国建筑科学研究院有限公司 | Method and system for detecting grouting fullness of sleeve by ultrasonic reflection method |
CN110455917A (en) * | 2019-08-22 | 2019-11-15 | 福建博海工程技术有限公司 | A kind of repairing concrete crack quality determining method |
CN115266937A (en) * | 2022-08-31 | 2022-11-01 | 中建五局第三建设有限公司 | Mortar plumpness measuring instrument and method based on ultrasonic imaging |
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